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008847 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

008847: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, flange_diameter: 2.807 INCHES NOMINAL IN, special_features: SEATS SHOULD BE REPLACED IN PAIRS, style_designator: PLAIN FLANGED, seat_angle_in_deg: 0.583 NOMINAL, under_flange_height: 0.175 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-035-6971, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
008847
NSN: 4820-00-035-6971
FSC: 4820 — Valves, Nonpowered
CAGE: 16626 — CIRCOR INTL INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
flange_diameter2.807 INCHES NOMINAL IN
special_featuresSEATS SHOULD BE REPLACED IN PAIRS
style_designatorPLAIN FLANGED
seat_angle_in_deg0.583 NOMINAL
under_flange_height0.175 INCHES NOMINAL IN
body_inside_diameter1.500 INCHES NOMINAL IN
body_outside_diameter2.557 INCHES NOMINAL IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.160 INCHES NOMINAL IN
NSN4820-00-035-6971
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 008847 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE SEAT TO DISK END HEIGHT: 0.160 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.807 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.557 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.175 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.160 INCHES NOMINAL IN
FLANGE DIAMETER2.807 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.557 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER1.500 INCHES NOMINAL IN
SPECIAL FEATURESSEATS SHOULD BE REPLACED IN PAIRS
UNDER FLANGE HEIGHT0.175 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SEAT ANGLE IN DEG0.583 NOMINAL
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 2
002-18-20-0001-0001Reference document
Same NSN cross-reference
Reference document — Secondary reference
NC008847Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 008847?
008847 is a SEAT,VALVE.
What parts can replace 008847?
There are 2 known substitutes for 008847: 002-18-20-0001-0001, NC008847. Substitute compatibility should be verified for your specific system.
What is the NSN for 008847?
008847 is cataloged in the U.S. Government catalog under NSN 4820-00-035-6971. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.